Homestead strike - Wikipedia

The Homestead strike, also known as the Homestead Steel strike, Pinkerton rebellion, or Homestead massacre, was an industrial lockout and strike which began on June 30, 1892, culminating in a battle between strikers and private security agents on July 6, 1892.

Book Review: The Machinery Of Freedom | Slate Star Codex

mobile crushing and screening hire, recyling equipment hire

Screenmasters Australia Pty Ltd was established in 1995, and are dealers for the worlds largest manufacturers of track mounted crushing equipment and screening equipment. . As distributors for leading manufacturers such as GIPO machinery, Doppstadt, Keestrack and Samson, Screenmasters can meet all needs related to crushing, screening and recycling for industries ranging from mining and ...

Crusher - Wikipedia

A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust.. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce the size of a solid mix of raw materials (as in rock ore), so that pieces of different composition can be differentiated.